./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/gcd02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive/gcd02.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5840bf8cb045a250261e3957017079dce43a53700f7c91e31c16b36d5b980e00 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 10:02:35,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 10:02:35,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 10:02:35,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 10:02:35,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 10:02:35,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 10:02:35,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 10:02:35,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 10:02:35,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 10:02:35,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 10:02:35,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 10:02:35,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 10:02:35,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 10:02:35,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 10:02:35,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 10:02:35,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 10:02:35,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 10:02:35,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 10:02:35,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 10:02:35,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 10:02:35,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 10:02:35,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 10:02:35,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 10:02:35,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 10:02:35,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 10:02:35,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 10:02:35,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 10:02:35,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 10:02:35,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 10:02:35,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 10:02:35,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 10:02:35,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 10:02:35,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 10:02:35,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 10:02:35,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 10:02:35,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 10:02:35,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 10:02:35,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 10:02:35,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 10:02:35,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 10:02:35,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 10:02:35,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 10:02:35,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 10:02:35,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 10:02:35,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 10:02:35,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 10:02:35,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 10:02:35,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 10:02:35,680 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 10:02:35,680 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 10:02:35,680 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 10:02:35,680 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 10:02:35,681 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 10:02:35,681 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 10:02:35,681 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 10:02:35,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 10:02:35,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 10:02:35,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 10:02:35,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 10:02:35,683 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 10:02:35,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 10:02:35,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 10:02:35,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 10:02:35,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 10:02:35,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 10:02:35,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 10:02:35,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 10:02:35,685 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 10:02:35,685 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5840bf8cb045a250261e3957017079dce43a53700f7c91e31c16b36d5b980e00 [2021-12-16 10:02:35,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 10:02:35,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 10:02:35,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 10:02:35,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 10:02:35,899 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 10:02:35,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/gcd02.c [2021-12-16 10:02:35,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627b9684c/628013da79a845278ac9ae0e3f5df537/FLAG68b8ccab1 [2021-12-16 10:02:36,309 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 10:02:36,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd02.c [2021-12-16 10:02:36,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627b9684c/628013da79a845278ac9ae0e3f5df537/FLAG68b8ccab1 [2021-12-16 10:02:36,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/627b9684c/628013da79a845278ac9ae0e3f5df537 [2021-12-16 10:02:36,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 10:02:36,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 10:02:36,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 10:02:36,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 10:02:36,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 10:02:36,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443c8f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36, skipping insertion in model container [2021-12-16 10:02:36,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 10:02:36,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 10:02:36,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd02.c[623,636] [2021-12-16 10:02:36,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd02.c[1283,1296] [2021-12-16 10:02:36,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:02:36,488 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 10:02:36,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd02.c[623,636] [2021-12-16 10:02:36,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/gcd02.c[1283,1296] [2021-12-16 10:02:36,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:02:36,512 INFO L208 MainTranslator]: Completed translation [2021-12-16 10:02:36,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36 WrapperNode [2021-12-16 10:02:36,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 10:02:36,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 10:02:36,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 10:02:36,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 10:02:36,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,540 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2021-12-16 10:02:36,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 10:02:36,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 10:02:36,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 10:02:36,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 10:02:36,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 10:02:36,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 10:02:36,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 10:02:36,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 10:02:36,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (1/1) ... [2021-12-16 10:02:36,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:36,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:36,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:36,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 10:02:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 10:02:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2021-12-16 10:02:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2021-12-16 10:02:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 10:02:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure divides [2021-12-16 10:02:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure divides [2021-12-16 10:02:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 10:02:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 10:02:36,670 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 10:02:36,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 10:02:36,773 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 10:02:36,777 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 10:02:36,778 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 10:02:36,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:02:36 BoogieIcfgContainer [2021-12-16 10:02:36,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 10:02:36,779 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 10:02:36,780 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 10:02:36,785 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 10:02:36,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:02:36,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 10:02:36" (1/3) ... [2021-12-16 10:02:36,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@638172cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:02:36, skipping insertion in model container [2021-12-16 10:02:36,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:02:36,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:02:36" (2/3) ... [2021-12-16 10:02:36,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@638172cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:02:36, skipping insertion in model container [2021-12-16 10:02:36,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:02:36,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:02:36" (3/3) ... [2021-12-16 10:02:36,796 INFO L388 chiAutomizerObserver]: Analyzing ICFG gcd02.c [2021-12-16 10:02:36,837 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 10:02:36,838 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 10:02:36,838 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 10:02:36,838 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 10:02:36,838 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 10:02:36,838 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 10:02:36,838 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 10:02:36,838 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 10:02:36,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-16 10:02:36,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-12-16 10:02:36,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:02:36,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:02:36,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:02:36,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-16 10:02:36,867 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 10:02:36,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-16 10:02:36,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2021-12-16 10:02:36,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:02:36,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:02:36,870 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:02:36,870 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-16 10:02:36,875 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 6#L44true assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 14#L48true assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 7#L51true assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 28#L52true call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 33#gcdENTRYtrue [2021-12-16 10:02:36,875 INFO L793 eck$LassoCheckResult]: Loop: 33#gcdENTRYtrue ~y1 := #in~y1;~y2 := #in~y2; 19#L18true assume !(~y1 <= 0 || ~y2 <= 0); 23#L18-2true assume !(~y1 == ~y2); 13#L25true assume !(~y1 > ~y2); 27#L28true call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 33#gcdENTRYtrue [2021-12-16 10:02:36,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:36,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1895408799, now seen corresponding path program 1 times [2021-12-16 10:02:36,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:36,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474955618] [2021-12-16 10:02:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:36,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:36,957 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:36,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:36,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:36,994 INFO L85 PathProgramCache]: Analyzing trace with hash 40301496, now seen corresponding path program 1 times [2021-12-16 10:02:36,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:36,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829649721] [2021-12-16 10:02:36,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:36,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:37,015 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:37,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:37,027 INFO L85 PathProgramCache]: Analyzing trace with hash 762413530, now seen corresponding path program 1 times [2021-12-16 10:02:37,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:37,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492531177] [2021-12-16 10:02:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:37,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:37,038 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:37,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:37,221 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:37,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:37,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:37,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:37,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 10:02:37,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:37,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:37,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration1_Loop [2021-12-16 10:02:37,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:37,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:37,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,328 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:37,328 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 10:02:37,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 10:02:37,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:37,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:37,360 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 10:02:37,361 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 10:02:37,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-16 10:02:37,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 10:02:37,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:37,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:37,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-16 10:02:37,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 10:02:37,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 10:02:37,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:37,566 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 10:02:37,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:37,571 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:37,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:37,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:37,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:37,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:02:37,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:37,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:37,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration1_Loop [2021-12-16 10:02:37,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:37,572 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:37,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:37,649 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:37,652 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:02:37,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 10:02:37,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:37,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:37,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:37,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:37,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:37,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:37,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:37,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:37,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:37,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-16 10:02:37,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,684 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 10:02:37,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:37,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:37,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:37,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:37,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:37,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:37,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:37,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:37,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:37,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:37,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 10:02:37,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:37,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:37,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:37,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:37,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:37,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:37,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:37,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:37,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:02:37,757 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 10:02:37,757 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-16 10:02:37,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:37,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:37,760 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:37,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-16 10:02:37,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:02:37,762 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 10:02:37,762 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:02:37,762 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y2) = 1*gcd_#in~y2 Supporting invariants [] [2021-12-16 10:02:37,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:37,779 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 10:02:37,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:37,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:02:37,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:37,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 10:02:37,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:02:37,940 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-16 10:02:37,941 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:02:38,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 117 states and 161 transitions. Complement of second has 22 states. [2021-12-16 10:02:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-16 10:02:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:02:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 61 transitions. [2021-12-16 10:02:38,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 6 letters. Loop has 5 letters. [2021-12-16 10:02:38,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:38,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 11 letters. Loop has 5 letters. [2021-12-16 10:02:38,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:38,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 6 letters. Loop has 10 letters. [2021-12-16 10:02:38,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:38,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 161 transitions. [2021-12-16 10:02:38,090 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 10:02:38,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 49 states and 67 transitions. [2021-12-16 10:02:38,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-12-16 10:02:38,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2021-12-16 10:02:38,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 67 transitions. [2021-12-16 10:02:38,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:02:38,100 INFO L681 BuchiCegarLoop]: Abstraction has 49 states and 67 transitions. [2021-12-16 10:02:38,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 67 transitions. [2021-12-16 10:02:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2021-12-16 10:02:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2021-12-16 10:02:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2021-12-16 10:02:38,121 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-16 10:02:38,121 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-16 10:02:38,121 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 10:02:38,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 54 transitions. [2021-12-16 10:02:38,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 10:02:38,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:02:38,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:02:38,122 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:02:38,122 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-16 10:02:38,123 INFO L791 eck$LassoCheckResult]: Stem: 234#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 242#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 243#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 244#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 229#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 257#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 245#L18 assume !(~y1 <= 0 || ~y2 <= 0); 246#L18-2 assume !(~y1 == ~y2); 253#L25 assume ~y1 > ~y2; 228#L26 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 230#gcdENTRY [2021-12-16 10:02:38,123 INFO L793 eck$LassoCheckResult]: Loop: 230#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 259#L18 assume !(~y1 <= 0 || ~y2 <= 0); 267#L18-2 assume !(~y1 == ~y2); 266#L25 assume ~y1 > ~y2; 258#L26 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 230#gcdENTRY [2021-12-16 10:02:38,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:38,123 INFO L85 PathProgramCache]: Analyzing trace with hash 762413435, now seen corresponding path program 1 times [2021-12-16 10:02:38,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:38,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401561226] [2021-12-16 10:02:38,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:38,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:38,136 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:38,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:38,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:38,146 INFO L85 PathProgramCache]: Analyzing trace with hash 40301401, now seen corresponding path program 1 times [2021-12-16 10:02:38,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:38,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599459928] [2021-12-16 10:02:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:38,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:38,150 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:38,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2064822753, now seen corresponding path program 2 times [2021-12-16 10:02:38,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:38,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596124736] [2021-12-16 10:02:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:38,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:38,180 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:38,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:38,252 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:38,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:38,253 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:38,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:38,253 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 10:02:38,253 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:38,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:38,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration2_Loop [2021-12-16 10:02:38,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:38,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:38,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:38,299 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-16 10:02:38,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,301 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:38,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-16 10:02:38,338 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 10:02:38,338 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_~y2=0} Honda state: {gcd_~y2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 10:02:38,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,357 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-16 10:02:38,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:38,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 10:02:38,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret4=0} Honda state: {gcd_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 10:02:38,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,401 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-16 10:02:38,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:38,403 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,417 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 10:02:38,418 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_~y1=0} Honda state: {gcd_~y1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 10:02:38,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,435 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-16 10:02:38,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:38,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,486 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 10:02:38,486 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#t~ret5=0} Honda state: {gcd_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 10:02:38,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,502 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-16 10:02:38,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:38,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-16 10:02:38,512 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-16 10:02:38,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-16 10:02:38,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,528 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-16 10:02:38,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-16 10:02:38,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,584 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-16 10:02:38,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-16 10:02:38,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-16 10:02:38,712 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-16 10:02:38,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,715 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:38,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:38,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:38,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:38,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:02:38,715 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:38,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:38,715 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration2_Loop [2021-12-16 10:02:38,715 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:38,716 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:38,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:38,760 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:38,760 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:02:38,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,761 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-16 10:02:38,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:38,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:38,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:38,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:38,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:38,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:38,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:38,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:38,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:38,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,802 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-16 10:02:38,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:38,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:38,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:38,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:38,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:38,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:38,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:38,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:38,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:38,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,844 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 10:02:38,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:38,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:38,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:38,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:38,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:38,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:38,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:38,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:38,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:38,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,873 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-16 10:02:38,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:38,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:38,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:38,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:38,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:38,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:38,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:38,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:38,897 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:02:38,900 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 10:02:38,900 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-16 10:02:38,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:38,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:38,901 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:38,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-16 10:02:38,906 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:02:38,906 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 10:02:38,906 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:02:38,906 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(gcd_#in~y1) = 1*gcd_#in~y1 Supporting invariants [] [2021-12-16 10:02:38,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:38,922 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-16 10:02:38,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:38,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 10:02:38,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:38,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 10:02:38,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:02:39,036 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-16 10:02:39,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:02:39,124 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 54 transitions. cyclomatic complexity: 16. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 140 states and 188 transitions. Complement of second has 31 states. [2021-12-16 10:02:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-16 10:02:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:02:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 37 transitions. [2021-12-16 10:02:39,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 11 letters. Loop has 5 letters. [2021-12-16 10:02:39,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:39,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 16 letters. Loop has 5 letters. [2021-12-16 10:02:39,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:39,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 11 letters. Loop has 10 letters. [2021-12-16 10:02:39,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:39,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 140 states and 188 transitions. [2021-12-16 10:02:39,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-16 10:02:39,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 140 states to 116 states and 164 transitions. [2021-12-16 10:02:39,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2021-12-16 10:02:39,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2021-12-16 10:02:39,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2021-12-16 10:02:39,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:02:39,133 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-16 10:02:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2021-12-16 10:02:39,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 82. [2021-12-16 10:02:39,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 61 states have (on average 1.180327868852459) internal successors, (72), 65 states have internal predecessors, (72), 11 states have call successors, (11), 8 states have call predecessors, (11), 10 states have return successors, (26), 8 states have call predecessors, (26), 9 states have call successors, (26) [2021-12-16 10:02:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-12-16 10:02:39,139 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-12-16 10:02:39,139 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-12-16 10:02:39,139 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 10:02:39,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 109 transitions. [2021-12-16 10:02:39,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:02:39,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:02:39,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:02:39,141 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:02:39,141 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:02:39,141 INFO L791 eck$LassoCheckResult]: Stem: 520#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 521#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 528#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 529#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 530#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 514#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 548#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 556#L18 assume !(~y1 <= 0 || ~y2 <= 0); 581#L18-2 assume ~y1 == ~y2;#res := ~y1; 522#gcdFINAL assume true; 523#gcdEXIT >#73#return; 549#L52-1 main_~z~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 526#L53 call main_#t~ret10#1 := divides(main_~z~0#1, main_~m~0#1);< 538#dividesENTRY [2021-12-16 10:02:39,142 INFO L793 eck$LassoCheckResult]: Loop: 538#dividesENTRY ~n := #in~n;~m := #in~m; 524#L33 assume !(0 == ~m); 527#L36 assume !(~n > ~m); 525#L39 call #t~ret6 := divides(~n, ~m - ~n);< 538#dividesENTRY [2021-12-16 10:02:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1760834896, now seen corresponding path program 1 times [2021-12-16 10:02:39,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:39,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520558986] [2021-12-16 10:02:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:39,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:39,148 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:39,156 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:39,156 INFO L85 PathProgramCache]: Analyzing trace with hash 927679, now seen corresponding path program 1 times [2021-12-16 10:02:39,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:39,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137405749] [2021-12-16 10:02:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:39,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:39,172 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:39,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1103561454, now seen corresponding path program 1 times [2021-12-16 10:02:39,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:39,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863817061] [2021-12-16 10:02:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:39,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:39,193 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:39,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:39,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:39,570 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:39,570 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:39,570 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:39,570 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:39,570 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:02:39,570 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:39,570 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:39,570 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:39,570 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration3_Lasso [2021-12-16 10:02:39,570 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:39,570 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:39,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:39,763 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:39,763 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:02:39,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:39,764 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:39,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-16 10:02:39,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:39,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:39,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:39,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:39,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:39,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:39,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:39,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:39,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:39,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:39,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:39,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:39,789 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:39,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-16 10:02:39,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:39,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:39,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:39,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:39,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:39,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:39,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:39,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:39,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:39,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-16 10:02:39,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:39,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:39,818 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:39,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-16 10:02:39,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:39,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:39,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:39,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:39,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:39,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:39,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:39,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:39,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:39,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-16 10:02:39,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:39,843 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:39,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-16 10:02:39,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:39,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:39,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:39,850 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 10:02:39,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:39,859 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-16 10:02:39,859 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-16 10:02:39,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:02:39,904 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-16 10:02:39,904 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-16 10:02:39,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:39,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:39,907 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:39,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-16 10:02:39,910 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:02:39,932 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-12-16 10:02:39,932 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:02:39,932 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(divides_#in~m) = 1*divides_#in~m Supporting invariants [1*divides_#in~n - 1 >= 0] [2021-12-16 10:02:39,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:39,965 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-16 10:02:39,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:39,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-16 10:02:39,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:40,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 10:02:40,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:02:40,148 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 3 loop predicates [2021-12-16 10:02:40,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 109 transitions. cyclomatic complexity: 32 Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 10:02:40,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-16 10:02:40,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 109 transitions. cyclomatic complexity: 32. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 114 states and 146 transitions. Complement of second has 21 states. [2021-12-16 10:02:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-16 10:02:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 10:02:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 32 transitions. [2021-12-16 10:02:40,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 13 letters. Loop has 4 letters. [2021-12-16 10:02:40,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:40,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2021-12-16 10:02:40,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:40,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 32 transitions. Stem has 13 letters. Loop has 8 letters. [2021-12-16 10:02:40,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:40,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 146 transitions. [2021-12-16 10:02:40,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:02:40,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 96 states and 127 transitions. [2021-12-16 10:02:40,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2021-12-16 10:02:40,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-12-16 10:02:40,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 96 states and 127 transitions. [2021-12-16 10:02:40,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:02:40,344 INFO L681 BuchiCegarLoop]: Abstraction has 96 states and 127 transitions. [2021-12-16 10:02:40,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states and 127 transitions. [2021-12-16 10:02:40,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 86. [2021-12-16 10:02:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.171875) internal successors, (75), 68 states have internal predecessors, (75), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (28), 9 states have call predecessors, (28), 11 states have call successors, (28) [2021-12-16 10:02:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2021-12-16 10:02:40,349 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-12-16 10:02:40,349 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 116 transitions. [2021-12-16 10:02:40,349 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 10:02:40,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 116 transitions. [2021-12-16 10:02:40,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:02:40,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:02:40,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:02:40,351 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:02:40,351 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:02:40,351 INFO L791 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 840#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 847#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 848#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 849#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 850#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 870#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 883#L18 assume !(~y1 <= 0 || ~y2 <= 0); 887#L18-2 assume !(~y1 == ~y2); 884#L25 assume !(~y1 > ~y2); 833#L28 call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 880#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 881#L18 assume !(~y1 <= 0 || ~y2 <= 0); 876#L18-2 assume ~y1 == ~y2;#res := ~y1; 841#gcdFINAL assume true; 842#gcdEXIT >#71#return; 898#L28-1 #res := #t~ret5;havoc #t~ret5; 888#gcdFINAL assume true; 875#gcdEXIT >#73#return; 871#L52-1 main_~z~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 846#L53 call main_#t~ret10#1 := divides(main_~z~0#1, main_~m~0#1);< 862#dividesENTRY [2021-12-16 10:02:40,351 INFO L793 eck$LassoCheckResult]: Loop: 862#dividesENTRY ~n := #in~n;~m := #in~m; 843#L33 assume !(0 == ~m); 845#L36 assume !(~n > ~m); 844#L39 call #t~ret6 := divides(~n, ~m - ~n);< 862#dividesENTRY [2021-12-16 10:02:40,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:40,352 INFO L85 PathProgramCache]: Analyzing trace with hash -210908093, now seen corresponding path program 1 times [2021-12-16 10:02:40,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:40,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135240887] [2021-12-16 10:02:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:40,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:40,366 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:40,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:40,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:40,375 INFO L85 PathProgramCache]: Analyzing trace with hash 927679, now seen corresponding path program 2 times [2021-12-16 10:02:40,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:40,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384201686] [2021-12-16 10:02:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:40,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:40,380 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:40,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:40,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1286077695, now seen corresponding path program 1 times [2021-12-16 10:02:40,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:40,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748141009] [2021-12-16 10:02:40,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:40,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:40,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:40,409 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:40,736 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:40,736 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:40,736 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:40,736 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:40,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:02:40,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:40,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:40,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:40,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration4_Lasso [2021-12-16 10:02:40,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:40,736 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:40,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:40,908 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:40,908 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:02:40,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:40,911 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:40,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-16 10:02:40,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:40,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:40,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:40,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:40,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:40,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:40,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:40,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:40,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-16 10:02:40,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:40,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:40,961 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:40,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-16 10:02:40,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:40,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:40,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:40,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:40,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:40,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:40,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:40,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:41,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,012 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-16 10:02:41,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:41,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:41,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-16 10:02:41,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,053 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-16 10:02:41,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:41,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:41,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-16 10:02:41,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,087 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-16 10:02:41,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:41,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,130 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-16 10:02:41,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:41,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:41,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-16 10:02:41,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,158 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-16 10:02:41,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-16 10:02:41,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,187 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-16 10:02:41,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-16 10:02:41,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,213 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-16 10:02:41,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-16 10:02:41,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,252 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-16 10:02:41,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:41,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,289 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-16 10:02:41,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:41,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,335 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-16 10:02:41,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-16 10:02:41,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,370 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-16 10:02:41,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-16 10:02:41,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,394 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-16 10:02:41,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-16 10:02:41,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,419 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-16 10:02:41,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:41,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:41,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:41,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:41,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:41,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:41,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,444 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-16 10:02:41,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:41,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:41,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:41,465 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 10:02:41,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:41,474 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-16 10:02:41,474 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-16 10:02:41,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:02:41,510 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-12-16 10:02:41,510 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-16 10:02:41,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:41,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:41,511 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:41,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-16 10:02:41,513 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:02:41,520 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-12-16 10:02:41,520 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:02:41,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(divides_#in~m) = 1*divides_#in~m Supporting invariants [1*divides_#in~n - 1 >= 0] [2021-12-16 10:02:41,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:41,541 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-16 10:02:41,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:41,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-16 10:02:41,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:41,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 10:02:41,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:02:41,855 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 3 loop predicates [2021-12-16 10:02:41,855 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 116 transitions. cyclomatic complexity: 35 Second operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 10:02:42,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:42,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 116 transitions. cyclomatic complexity: 35. Second operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 110 states and 141 transitions. Complement of second has 23 states. [2021-12-16 10:02:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-16 10:02:42,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 10:02:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 33 transitions. [2021-12-16 10:02:42,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 33 transitions. Stem has 21 letters. Loop has 4 letters. [2021-12-16 10:02:42,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:42,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 33 transitions. Stem has 25 letters. Loop has 4 letters. [2021-12-16 10:02:42,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:42,066 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 33 transitions. Stem has 21 letters. Loop has 8 letters. [2021-12-16 10:02:42,066 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:42,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 141 transitions. [2021-12-16 10:02:42,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:02:42,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 88 states and 117 transitions. [2021-12-16 10:02:42,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-12-16 10:02:42,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2021-12-16 10:02:42,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 117 transitions. [2021-12-16 10:02:42,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:02:42,069 INFO L681 BuchiCegarLoop]: Abstraction has 88 states and 117 transitions. [2021-12-16 10:02:42,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 117 transitions. [2021-12-16 10:02:42,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2021-12-16 10:02:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.15625) internal successors, (74), 68 states have internal predecessors, (74), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (28), 9 states have call predecessors, (28), 11 states have call successors, (28) [2021-12-16 10:02:42,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2021-12-16 10:02:42,074 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 115 transitions. [2021-12-16 10:02:42,074 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 115 transitions. [2021-12-16 10:02:42,074 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 10:02:42,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 115 transitions. [2021-12-16 10:02:42,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:02:42,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:02:42,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:02:42,076 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:02:42,076 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:02:42,076 INFO L791 eck$LassoCheckResult]: Stem: 1186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call #Ultimate.allocInit(12, 3); 1187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~ret9#1, main_#t~ret10#1, main_~z~0#1, main_~m~0#1, main_~n~0#1;main_~m~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1196#L44 assume !(main_~m~0#1 <= 0 || main_~m~0#1 > 2147483647);main_~n~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1197#L48 assume !(main_~n~0#1 <= 0 || main_~n~0#1 > 2147483647); 1198#L51 assume main_~m~0#1 > 0 && main_~n~0#1 > 0; 1199#L52 call main_#t~ret9#1 := gcd(main_~m~0#1, main_~n~0#1);< 1218#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 1239#L18 assume !(~y1 <= 0 || ~y2 <= 0); 1237#L18-2 assume !(~y1 == ~y2); 1235#L25 assume ~y1 > ~y2; 1183#L26 call #t~ret4 := gcd(~y1 - ~y2, ~y2);< 1185#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 1222#L18 assume !(~y1 <= 0 || ~y2 <= 0); 1262#L18-2 assume !(~y1 == ~y2); 1216#L25 assume !(~y1 > ~y2); 1193#L28 call #t~ret5 := gcd(~y1, ~y2 - ~y1);< 1217#gcdENTRY ~y1 := #in~y1;~y2 := #in~y2; 1200#L18 assume !(~y1 <= 0 || ~y2 <= 0); 1201#L18-2 assume ~y1 == ~y2;#res := ~y1; 1211#gcdFINAL assume true; 1260#gcdEXIT >#71#return; 1261#L28-1 #res := #t~ret5;havoc #t~ret5; 1263#gcdFINAL assume true; 1233#gcdEXIT >#69#return; 1227#L26-1 #res := #t~ret4;havoc #t~ret4; 1225#gcdFINAL assume true; 1224#gcdEXIT >#73#return; 1219#L52-1 main_~z~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1189#L53 call main_#t~ret10#1 := divides(main_~z~0#1, main_~m~0#1);< 1206#dividesENTRY [2021-12-16 10:02:42,076 INFO L793 eck$LassoCheckResult]: Loop: 1206#dividesENTRY ~n := #in~n;~m := #in~m; 1188#L33 assume !(0 == ~m); 1190#L36 assume !(~n > ~m); 1191#L39 call #t~ret6 := divides(~n, ~m - ~n);< 1206#dividesENTRY [2021-12-16 10:02:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:42,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1700205680, now seen corresponding path program 1 times [2021-12-16 10:02:42,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:42,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71994542] [2021-12-16 10:02:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:42,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:42,086 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:42,103 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:42,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:42,104 INFO L85 PathProgramCache]: Analyzing trace with hash 927679, now seen corresponding path program 3 times [2021-12-16 10:02:42,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:42,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764639064] [2021-12-16 10:02:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:42,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:42,107 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:42,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:42,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:42,110 INFO L85 PathProgramCache]: Analyzing trace with hash 30895278, now seen corresponding path program 1 times [2021-12-16 10:02:42,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:02:42,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952279366] [2021-12-16 10:02:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:02:42,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:02:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:42,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:02:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:02:42,134 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:02:42,583 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:02:42,583 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:02:42,583 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:02:42,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:02:42,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:02:42,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:02:42,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:02:42,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd02.c_Iteration5_Lasso [2021-12-16 10:02:42,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:02:42,586 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:02:42,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:02:42,753 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:02:42,753 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:02:42,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,754 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-16 10:02:42,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:42,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,779 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-16 10:02:42,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-16 10:02:42,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,814 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-16 10:02:42,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-16 10:02:42,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,848 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-16 10:02:42,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-16 10:02:42,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,872 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-16 10:02:42,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-16 10:02:42,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,896 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-16 10:02:42,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:42,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,921 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-16 10:02:42,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:42,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:42,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:42,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:42,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:42,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:42,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:42,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:42,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:42,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-16 10:02:42,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:42,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:42,945 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:42,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-16 10:02:43,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-16 10:02:43,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,049 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-16 10:02:43,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-16 10:02:43,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,075 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-16 10:02:43,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-16 10:02:43,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,115 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-16 10:02:43,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,143 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-16 10:02:43,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-16 10:02:43,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,167 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-16 10:02:43,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,192 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-16 10:02:43,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,217 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-16 10:02:43,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-16 10:02:43,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,243 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-16 10:02:43,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-16 10:02:43,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,279 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-16 10:02:43,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,316 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-16 10:02:43,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-16 10:02:43,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,348 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-16 10:02:43,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,411 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-16 10:02:43,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-16 10:02:43,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,450 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-16 10:02:43,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-16 10:02:43,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,475 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-16 10:02:43,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-16 10:02:43,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,504 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-16 10:02:43,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-16 10:02:43,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,531 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-16 10:02:43,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,558 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-16 10:02:43,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,567 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-16 10:02:43,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,598 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-16 10:02:43,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:02:43,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:02:43,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,651 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-16 10:02:43,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:02:43,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:02:43,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:02:43,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:02:43,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:02:43,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-16 10:02:43,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,675 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-16 10:02:43,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:02:43,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:02:43,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:02:43,683 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 10:02:43,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:02:43,695 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-16 10:02:43,696 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-16 10:02:43,711 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:02:43,737 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-16 10:02:43,738 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-16 10:02:43,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:02:43,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:02:43,738 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:02:43,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-16 10:02:43,740 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:02:43,747 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-12-16 10:02:43,747 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:02:43,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(divides_#in~n, divides_#in~m) = -4*divides_#in~n + 4*divides_#in~m + 1 Supporting invariants [2*divides_#in~n - 1 >= 0] [2021-12-16 10:02:43,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:43,769 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-16 10:02:43,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:02:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:43,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-16 10:02:43,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:02:44,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-16 10:02:44,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:02:44,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-16 10:02:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:02:44,206 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-16 10:02:44,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 115 transitions. cyclomatic complexity: 34 Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 10:02:44,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 115 transitions. cyclomatic complexity: 34. Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Result 96 states and 125 transitions. Complement of second has 23 states. [2021-12-16 10:02:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 8 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:02:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 7 states have internal predecessors, (19), 4 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 10:02:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 26 transitions. [2021-12-16 10:02:44,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 29 letters. Loop has 4 letters. [2021-12-16 10:02:44,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:44,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 33 letters. Loop has 4 letters. [2021-12-16 10:02:44,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:44,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 26 transitions. Stem has 29 letters. Loop has 8 letters. [2021-12-16 10:02:44,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:02:44,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 125 transitions. [2021-12-16 10:02:44,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:02:44,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 0 states and 0 transitions. [2021-12-16 10:02:44,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 10:02:44,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 10:02:44,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 10:02:44,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:02:44,394 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:02:44,394 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:02:44,394 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:02:44,394 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 10:02:44,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 10:02:44,394 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:02:44,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 10:02:44,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 10:02:44 BoogieIcfgContainer [2021-12-16 10:02:44,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 10:02:44,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 10:02:44,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 10:02:44,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 10:02:44,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:02:36" (3/4) ... [2021-12-16 10:02:44,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 10:02:44,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 10:02:44,401 INFO L158 Benchmark]: Toolchain (without parser) took 8070.71ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 63.5MB in the beginning and 99.3MB in the end (delta: -35.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-12-16 10:02:44,401 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:02:44,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.33ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 74.1MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 10:02:44,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.53ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 10:02:44,401 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 71.5MB in the end (delta: 985.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:02:44,401 INFO L158 Benchmark]: RCFGBuilder took 206.45ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 61.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 10:02:44,402 INFO L158 Benchmark]: BuchiAutomizer took 7618.67ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 61.5MB in the beginning and 100.4MB in the end (delta: -38.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-16 10:02:44,402 INFO L158 Benchmark]: Witness Printer took 1.99ms. Allocated memory is still 151.0MB. Free memory was 100.4MB in the beginning and 99.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 10:02:44,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.33ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 74.1MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.53ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 71.5MB in the end (delta: 985.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 206.45ms. Allocated memory is still 98.6MB. Free memory was 71.5MB in the beginning and 61.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7618.67ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 61.5MB in the beginning and 100.4MB in the end (delta: -38.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Witness Printer took 1.99ms. Allocated memory is still 151.0MB. Free memory was 100.4MB in the beginning and 99.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (0 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(y2) and consists of 7 locations. One deterministic module has affine ranking function \old(y1) and consists of 7 locations. One deterministic module has affine ranking function \old(m) and consists of 10 locations. One deterministic module has affine ranking function \old(m) and consists of 11 locations. One deterministic module has affine ranking function -4 * \old(n) + 4 * \old(m) + 1 and consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.5s and 6 iterations. TraceHistogramMax:3. Analysis of lassos took 5.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 54 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 86 states and ocurred in iteration 3. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 111 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 291 IncrementalHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 85 mSDtfsCounter, 291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf99 lsp71 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq167 hnf93 smp93 dnf119 smp100 tf104 neg97 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 90ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-16 10:02:44,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE